MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised WordPress sites, suggesting a phishing or credential harvesting attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to download further payloads or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/27132519653.pdf
- http://studioboscono.it/userfiles/files/pikanamupazodutuxo.pdf
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/zosufe.pdf
- https://ataru.site/js/ckfinder/userfiles/files/80011186487.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/c10eaf80a1bf99fc70c061890ed591fc/17491856873.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce55970623---patav.pdf
- http://mrcookie.tw/upload/editor/file/01052802247.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16159b7a79f8c3---kurawof.pdf
- https://shibbirs.com/media/files/74962637802.pdf
- http://mybyblos.com/userfiles/file/wovemifutetaxavabasab.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16153e6f14c96d---40862221082.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddf4f419e1---pesuranerijanebazi.pdf
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/sipikipixuz.pdf
- http://jnejendomsdrift.dk/userfiles/file/2489899888.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/f66f98ad42fe199ca819a822283c7732/26598082045.pdf
- https://funbugs.ie/files/file/kajezomukojuwuxadapimatu.pdf
- https://seedcambodia.org/htdocs/cljr/data/files/renimopusobinurovudepule.pdf
- http://bodybybodyology.com/ckfinder/userfiles/files/52104262194.pdf
- https://cplastik.net/data/cms/file/20853075423.pdf
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/lipuwudubaxe.pdf
- http://cga82.com/admin/File/lokireziju.pdf
- http://greensketch.in/userfiles/file/49033158826.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=dr+myles+munroe+books+on+relationships+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bfc7.bine1ab1fa1881a8a3bbdeb0c9e26fb8a1117eab072ad7f7370909ced6dcca68482 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFC7 | 17848 bytes |
font_01_sfnt_off0000edd3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDD3 | 16792 bytes |
font_02_sfnt_off000105ea.bin4cf440995576db3e80a01a968f9fb52b132d13ab7f8d6b78b867b45f5ccda07e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EA | 11208 bytes |
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